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  • MPEC 2018-X116: 2018 XY3

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    M.P.E.C. 2018-X116                               Issued 2018 Dec. 15, 03:49 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets and routine data on comets.  They are published
        on behalf of Division F of the International Astronomical Union by the
              Minor Planet Center, Smithsonian Astrophysical Observatory,
                              Cambridge, MA 02138, U.S.A.
    
                 Prepared using the Tamkin Foundation Computer Network
    
                                  MPC@CFA.HARVARD.EDU
                URL https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                       2018 XY3
    
    Observations:
         K18X03Y* S2018 12 07.00210 11 25 18.16 +21 56 18.4          19   RLEX116C51
         K18X03Y  s2018 12 07.00210 1 - 6578.9384 - 1577.9595 + 1112.0073   EX116C51
         K18X03Y  S2018 12 07.13250 11 26 11.59 +21 55 36.5                LEX116C51
         K18X03Y  s2018 12 07.13250 1 - 6510.9364 - 1618.6257 + 1411.2258   EX116C51
         K18X03Y  S2018 12 07.26378 11 27 05.47 +21 54 55.5                LEX116C51
         K18X03Y  s2018 12 07.26378 1 - 6566.5915 - 1610.2041 + 1138.2607   EX116C51
         K18X03Y  S2018 12 07.26391 11 27 05.54 +21 54 55.3                LEX116C51
         K18X03Y  s2018 12 07.26391 1 - 6582.2257 - 1602.7309 + 1056.1632   EX116C51
         K18X03Y  S2018 12 07.39469 11 27 59.35 +21 54 12.5                LEX116C51
         K18X03Y  s2018 12 07.39469 1 - 6568.3494 - 1622.6162 + 1110.3489   EX116C51
         K18X03Y  S2018 12 07.52508 11 28 53.13 +21 53 28.7                LEX116C51
         K18X03Y  s2018 12 07.52508 1 - 6500.1519 - 1662.8350 + 1409.5218   EX116C51
         K18X03Y  S2018 12 07.65637 11 29 47.49 +21 52 43.6          18   RLEX116C51
         K18X03Y  s2018 12 07.65637 1 - 6555.7958 - 1654.7745 + 1136.5512   EX116C51
         K18X03Y  S2018 12 07.78727 11 30 41.67 +21 51 58.6                LEX116C51
         K18X03Y  s2018 12 07.78727 1 - 6557.4824 - 1667.1906 + 1108.5538   EX116C51
         K18X03Y  S2018 12 07.91817 11 31 36.05 +21 51 11.9                LEX116C51
         K18X03Y  s2018 12 07.91817 1 - 6559.0225 - 1679.5981 + 1080.5913   EX116C51
         K18X03Y  S2018 12 07.98350 11 32 03.19 +21 50 47.8                LEX116C51
         K18X03Y  s2018 12 07.98350 1 - 6543.8899 - 1693.0401 + 1148.6550   EX116C51
         K18X03Y  S2018 12 08.11389 11 32 57.54 +21 49 59.3                LEX116C51
         K18X03Y  s2018 12 08.11389 1 - 6473.6194 - 1732.1051 + 1447.4568   EX116C51
         K18X03Y  S2018 12 08.17934 11 33 24.87 +21 49 35.5                LEX116C51
         K18X03Y  s2018 12 08.17934 1 - 6475.0286 - 1738.4137 + 1433.6168   EX116C51
         K18X03Y  S2018 12 08.31063 11 34 19.74 +21 48 45.9                LEX116C51
         K18X03Y  s2018 12 08.31063 1 - 6531.7400 - 1731.2190 + 1160.7588   EX116C51
         K18X03Y  S2018 12 08.31076 11 34 19.83 +21 48 46.5                LEX116C51
         K18X03Y  s2018 12 08.31076 1 - 6547.7782 - 1724.0998 + 1078.7076   EX116C51
         K18X03Y  S2018 12 08.37608 11 34 47.17 +21 48 20.1                LEX116C51
         K18X03Y  s2018 12 08.37608 1 - 6532.5801 - 1737.4459 + 1146.7664   EX116C51
         K18X03Y  S2018 12 08.44153 11 35 14.56 +21 47 55.7                LEX116C51
         K18X03Y  s2018 12 08.44153 1 - 6533.3743 - 1743.6693 + 1132.7951   EX116C51
         K18X03Y  S2018 12 08.50648 11 35 41.84 +21 47 29.7                LEX116C51
         K18X03Y  s2018 12 08.50648 1 - 6462.1236 - 1776.0568 + 1445.5871   EX116C51
         K18X03Y  S2018 12 08.63776 11 36 37.06 +21 46 37.1                LEX116C51
         K18X03Y  s2018 12 08.63776 1 - 6519.3648 - 1769.3019 + 1172.7712   EX116C51
         K18X03Y  S2018 12 08.89957 11 38 27.49 +21 44 50.1          18   RLEX116C51
         K18X03Y  s2018 12 08.89957 1 - 6522.4729 - 1794.2105 + 1116.7196   EX116C51
         K18X03Y  S2018 12 09.03034 11 39 22.78 +21 43 54.5                LEX116C51
         K18X03Y  s2018 12 09.03034 1 - 6507.5747 - 1813.5306 + 1170.7140   EX116C51
         K18X03Y  S2018 12 09.16074 11 40 18.10 +21 42 58.1                LEX116C51
         K18X03Y  s2018 12 09.16074 1 - 6435.7528 - 1851.0086 + 1468.8801   EX116C51
         K18X03Y  S2018 12 09.29215 11 41 13.94 +21 42 01.4                LEX116C51
         K18X03Y  s2018 12 09.29215 1 - 6510.5742 - 1838.4275 + 1114.3006   EX116C51
         K18X03Y  S2018 12 09.42293 11 42 09.62 +21 41 02.3                LEX116C51
         K18X03Y  s2018 12 09.42293 1 - 6495.5751 - 1857.6466 + 1168.2340   EX116C51
         K18X03Y KC2018 12 12.13984912 01 51.93 +21 16 32.9          21.5 GVEX116L01
         K18X03Y KC2018 12 12.14394412 01 53.72 +21 16 30.3          21.5 GVEX116L01
         K18X03Y KC2018 12 12.14761212 01 55.33 +21 16 28.2          21.4 GVEX116L01
         K18X03Y KC2018 12 12.15321812 01 57.79 +21 16 24.5          21.4 GVEX116L01
         K18X03Y  C2018 12 12.39851712 03 47.08 +21 13 49.0          20.8 GVEX116H01
         K18X03Y  C2018 12 12.40231612 03 48.75 +21 13 46.7          20.9 GVEX116H01
         K18X03Y  C2018 12 12.41185912 03 52.97 +21 13 40.5          21.0 GVEX116H01
         K18X03Y  C2018 12 12.41949612 03 56.34 +21 13 35.8          21.1 GVEX116H01
         K18X03Y KC2018 12 12.43807 12 04 04.33 +21 13 23.7          20.9 GUEX116H36
         K18X03Y KC2018 12 12.45747 12 04 12.99 +21 13 10.9          20.9 GUEX116H36
         K18X03Y KC2018 12 12.47689 12 04 21.48 +21 12 58.9          21.1 GUEX116H36
         K18X03Y ^C2018 12 12.62477612 05 27.525+21 11 26.14         21.13GVEX116568
         K18X03Y ^C2018 12 12.62573212 05 27.944+21 11 25.55         21.13GVEX116568
         K18X03Y ^C2018 12 12.62669212 05 28.363+21 11 24.90         21.17GVEX116568
         K18X03Y  C2018 12 13.48716 12 11 54.00 +21 01 24.2          20.9 GVEX116I52
         K18X03Y  C2018 12 13.49049 12 11 55.53 +21 01 22.0          21.2 GVEX116I52
         K18X03Y  C2018 12 13.49716 12 11 58.39 +21 01 18.2          20.8 GVEX116I52
         K18X03Y  C2018 12 14.50081 12 19 32.97 +20 48 32.7          20.9 GVEX116I52
         K18X03Y  C2018 12 14.50415 12 19 34.46 +20 48 30.3          20.8 GVEX116I52
         K18X03Y  C2018 12 14.50748 12 19 35.95 +20 48 27.8          21.3 GVEX116I52
         K18X03Y  C2018 12 14.51082 12 19 37.47 +20 48 25.0          20.9 GVEX116I52
         K18X03Y KC2018 12 14.53281 12 19 47.40 +20 48 08.0                oEX116691
         K18X03Y KC2018 12 14.53900 12 19 50.17 +20 48 03.4                oEX116691
         K18X03Y KC2018 12 14.54519 12 19 52.97 +20 47 58.5                oEX116691
    
    Observer details:
    568 Mauna Kea.  Observers R. Wainscoat, C. Crowder, A. Petric.  Measurers
        R. Weryk, R. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + CCD.
    691 Steward Observatory, Kitt Peak-Spacewatch.  Observer M. T. Read.  0.9-m
        f/3 reflector + CCD.
    C51 WISE.  Observer Near-Earth Object Wide-field Infrared Survey Explorer.
        Measurers A. K. Mainzer, J. M. Bauer, T. Grav, J. R. Masiero,
        J. P. Chesley, R. M. Cutri, J. W. Dailey, E. Kramer, S. Sonnett,
        E. L. Wright.
    H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
        Measurer W. H. Ryan.  2.4-m f/8.9 Ritchey-Chretien + CCD.
    H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer H. Groeller.
        Measurers B. M. Africano, E. J. Christensen, G. A. Farneth, D. C. Fuls,
        A. R. Gibbs, A. D. Grauer, H. Groeller, R. A. Kowalski, S. M. Larson,
        G. J. Leonard, R. L. Seaman, F. C. Shelly.  1.0-m reflector + CCD.
    L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
        + CCD.
    
    Orbital elements:
    2018 XY3                                            PHA, Earth MOID = 0.0476 AU
    Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
    M  24.17161              (2000.0)            P               Q
    n   0.30321567     Peri.  107.21385     -0.92963336     +0.12839742
    a   2.1943284      Node    81.22999     -0.27593612     -0.86378663
    e   0.6361742      Incl.   20.45542     +0.24421523     -0.48722352
    P   3.25           H   20.1           G   0.15           U   7
    Residuals in seconds of arc
    181207 C51  0.1-  0.1+    181208 C51  0.3-  0.7+    181212 H36  0.6+  0.4-
    181207 C51  0.1+  0.3-    181208 C51  0.1+  0.2-    181212 H36  0.3-  0.1+
    181207 C51  0.2-  0.1+    181208 C51  0.3+  0.0     181212 568  0.2-  0.1+
    181207 C51  0.0   0.3-    181209 C51  0.3-  0.3-    181212 568  0.3-  0.2+
    181207 C51  0.2-  0.1-    181209 C51  0.2+  0.1+    181212 568  0.3-  0.1+
    181207 C51  0.2-  0.3+    181209 C51  0.3+  0.1+    181213 I52  0.2-  0.4-
    181207 C51  0.9+  0.5-    181209 C51  0.3+  0.6-    181213 I52  0.5+  0.3-
    181207 C51  0.0   0.2+    181212 L01  0.0   0.1+    181213 I52  1.1-  0.6+
    181207 C51  0.2+  0.1+    181212 L01  0.1-  0.0     181214 I52  0.1-  0.3-
    181207 C51  0.3-  0.2-    181212 L01  0.1-  0.1+    181214 I52  0.3-  0.1-
    181208 C51  0.1-  0.1-    181212 L01  0.2-  0.1-    181214 I52  0.4-  0.0
    181208 C51  0.1+  0.5+    181212 H01  0.1-  0.2+    181214 I52  0.2-  0.1-
    181208 C51  0.3-  0.1+    181212 H01  0.2-  0.2+    181214 691  0.0   0.1+
    181208 C51  0.2+  0.6+    181212 H01  0.2-  0.0     181214 691  0.2-  0.4+
    181208 C51  0.0   0.5-    181212 H01  0.2-  0.1+    181214 691  0.0   0.4+
    181208 C51  0.7-  0.5+    181212 H36  1.0-  0.1+
    
    Ephemeris:
    2018 XY3                 a,e,i = 2.19, 0.64, 20                  q = 0.7984
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2018 11 15    09 25 03.6 +21 38 36   0.8970  1.3971    95.5    44.8    22.3
    ...
    2018 11 30    10 40 39.3 +22 13 24   0.7068  1.2537    94.1    51.7    21.7
    ...
    2018 12 08    11 32 10.1 +21 50 39   0.6319  1.1776    90.8    56.8    21.5
    ...
    2018 12 14    12 15 44.7 +20 55 08   0.5918  1.1215    87.0    61.2    21.4
    2018 12 15    12 23 19.9 +20 41 49   0.5866  1.1123    86.2    62.0    21.4
    2018 12 16    12 30 59.3 +20 27 16   0.5818  1.1031    85.5    62.8    21.4
    ...
    2018 12 22    13 17 50.3 +18 33 09   0.5630  1.0491    80.4    67.6    21.3
    ...
    2018 12 30    14 19 36.8 +14 56 29   0.5637  0.9809    73.1    73.6    21.4
    ...
    2019 01 14    15 59 57.5 +06 36 37   0.6339  0.8730    60.9    79.8    21.6
    
    A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-X116
    

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